Mostly Cloudy

Today

Mostly Cloudy

36°

/ 21°

Grand Portage, Minnesota

5 Day Forecast

Weather Forecast Accuracy Last Month (October)

The Weather Channel

74.19%

Microsoft

71.51%

AccuWeather

71.26%

Foreca/Vaisala

69.35%

AerisWeather

68.28%

OpenWeather

66.40%

Weatherbit

65.32%

World Weather Online

63.44%

Pirate Weather

60.22%

NWS Digital Forecast

59.14%

Wetter

48.39%

Persistence

46.99%

Note: Weather Underground uses the same forecast as The Weather Channel and so is not shown

Weather Forecast Accuracy Last Year (2022)

The Weather Channel

73.29%

Microsoft

73.07%

Foreca/Vaisala

71.97%

AccuWeather

66.69%

AerisWeather

63.79%

OpenWeather

62.77%

World Weather Online

61.44%

Weatherbit

58.90%

NWS Digital Forecast

56.81%

Wetter

48.26%

Persistence

43.39%

ForecastAdvisor Fact

4.3% of Persistence's low temperature forecasts for Grand Portage were exactly right last year.

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